Hair dryer



FIG. 1 is a perspective view of a hair dryer showing my new design;

FIG. 2 is a front elevational view thereof

FIG. 3 is one side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof; and

FIG. 7 is the other side elevational view thereof. 

The ornamental design of a hair dryer, as shown. 